Merge pull request #77960 from JoeAldinger/OSDOCS-10624

OSDOCS-10694: updates CIDR ranges for OVN-K

Author: JoeAldinger

modules/nw-ovn-kubernetes-migration-about.adoc

@@ -5,7 +5,7 @@
 [id="nw-ovn-kubernetes-migration-about_{context}"]
 = Offline migration to the OVN-Kubernetes network plugin overview
 
-The offline migration method is a manual process that includes some downtime, during which your cluster is unreachable. This method is primarily used for self-managed {product-title} deployments. 
+The offline migration method is a manual process that includes some downtime, during which your cluster is unreachable. This method is primarily used for self-managed {product-title} deployments.
 
 Although a rollback procedure is provided, the offline migration is intended to be a one-way process.
 
@@ -29,15 +29,15 @@ The following table provides information about the supported platforms for the o
 |===
 | Platform              | Offline Migration
 
-| Bare metal hardware (IPI and UPI)            |✓         
-| Amazon Web Services (AWS) (IPI and UPI)      |✓         
-| Google Cloud Platform (GCP) (IPI and UPI)    |✓         
-| {ibm-cloud-name} (IPI and UPI)               |✓         
-| Microsoft Azure (IPI and UPI)                |✓         
-| {rh-openstack-first} (IPI and UPI)           |✓         
-| VMware vSphere (IPI and UPI)                 |✓        
-| AliCloud (IPI and UPI)                       |✓                  
-| Nutanix (IPI and UPI)                        |✓                  
+| Bare metal hardware (IPI and UPI)            |✓
+| Amazon Web Services (AWS) (IPI and UPI)      |✓
+| Google Cloud Platform (GCP) (IPI and UPI)    |✓
+| {ibm-cloud-name} (IPI and UPI)               |✓
+| Microsoft Azure (IPI and UPI)                |✓
+| {rh-openstack-first} (IPI and UPI)           |✓
+| VMware vSphere (IPI and UPI)                 |✓
+| AliCloud (IPI and UPI)                       |✓
+| Nutanix (IPI and UPI)                        |✓
 |===
 
 [id="considerations-migrating-ovn-kubernetes-network-provider_{context}"]
@@ -56,7 +56,7 @@ While the OVN-Kubernetes network plugin implements many of the capabilities pres
 * Egress router pods
 --
 
-* If your cluster or surrounding network uses any part of the `100.64.0.0/16` address range, you must choose another unused IP range by specifying the `v4InternalSubnet` spec under the `spec.defaultNetwork.ovnKubernetesConfig` object definition. OVN-Kubernetes uses the IP range `100.64.0.0/16` internally by default.
+* OVN-Kubernetes, the default network provider in {product-title} 4.14 and later versions, uses the following IP address ranges internally: `100.64.0.0/16`, `169.254.169.0/29`, `100.88.0.0/16`, `fd98::/64`, `fd69::/125`, and `fd97::/64`. If your cluster uses OVN-Kubernetes, do not include any of these IP address ranges in any other CIDR definitions in your cluster or infrastructure.
 
 The following sections highlight the differences in configuration between the aforementioned capabilities in OVN-Kubernetes and OpenShift SDN network plugins.
 

networking/cidr-range-definitions.adoc

@@ -22,7 +22,7 @@ endif::[]
 
 [IMPORTANT]
 ====
-OVN-Kubernetes, the default network provider in {product-title} 4.14 and later versions, uses the following IP address ranges internally: `100.64.0.0/16`, `169.254.169.0/29`, `100.88.0.0/16`, `fd98::/64`, `fd69::/125`, and the `fd97::/64`. If your cluster uses OVN-Kubernetes, do not include any IP address ranges in any other CIDR definitions in your cluster.
+OVN-Kubernetes, the default network provider in {product-title} 4.14 and later versions, uses the following IP address ranges internally: `100.64.0.0/16`, `169.254.169.0/29`, `100.88.0.0/16`, `fd98::/64`, `fd69::/125`, and `fd97::/64`. If your cluster uses OVN-Kubernetes, do not include any of these IP address ranges in any other CIDR definitions in your cluster or infrastructure.
 ====
 
 [id="machine-cidr-description"]